<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<p>点击太阳或其他行星，注意变化：</p>
		
		<img src="planets.gif" width="145" height="126" alt="Planets" usemap="#planetmap">
		
		<map name="planetmap">
		  <area shape="rect" coords="0,0,82,126" alt="Sun" href="sun.htm">
		  <area shape="circle" coords="90,58,3" alt="Mercury" href="mercur.htm">
		  <area shape="circle" coords="124,58,8" alt="Venus" href="venus.htm">
		</map>

	</body>
</html>
